My number wasn’t working for FaceTime

Some things you can try. Do you have access to another WiFi network where you can try? That has worked for several people.

Try a restart.

Restart your iPhone, iPad, or iPod touch    *

Try a forced restart. See the section towards the end of the article.

Reset Device. -

horlamide wrote:

https://discussions.apple.com/content/attachment/b29d82d6-4637-4c7c-8cd2-317be56d9f2d

If you can’t turn on or sign in to iMessage or FaceTime - Apple Support